html,body{
	width: 100%;
	height: 100%;
	margin:0;
}

h1,h2,h3,h4,h5,h6,p{
	margin: 0;
	font-weight: normal;
}

ul,ol,li{
	list-style: none;
	margin: 0;
	padding:0;
}
input,button{
	border: 0;
	padding: 0;
	outline: none;
}

a{
	text-decoration: none;
	color: black;
}


/* 预设样式 begin*/
.fl{
	float: left;
}
.fr{
	float: right;
}
.clearflow::after{
	content: "";
	display: block;
	clear: both;
}
.auto-img{
	width:100%;
	height: auto;
	display: block;
}

/* 预设样式 end */